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Reserved symbols for assembler, 1 system register, 2 data buffer – NEC PD17062 User Manual

Page 282

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282

µ

PD17062

23. RESERVED SYMBOLS FOR ASSEMBLER

The reserved

µ

PD17062 symbols for the assembler are listed below.

23.1 SYSTEM REGISTER

MEM

MEM

MEM

MEM

MEM

MEM

MEM

MEM

FLG

MEM

MEM

MEM

MEM

MEM

MEM

FLG

FLG

FLG

FLG

FLG

0.74H

0.75H

0.76H

0.77H

0.78H

0.79H

0.7AH

0.7AH

0.7AH.3

0.7BH

0.7BH

0.7CH

0.7DH

0.7EH

0.7FH

0.7EH.0

0.7FH.3

0.7FH.2

0.7FH.1

0.7FH.0

R

R

R/W

R/W

R/W

R/W

R

R

R/W

R/W

R/W

R/W

R

R/W

R/W

R/W

R/W

R/W

R/W

R/W

Bits 15 to 12 of the address register

Bits 11 to 8 of the address register

Bits 7 to 4 of the address register

Bits 3 to 0 of the address register

Window register

Bank register

Bits 10 to 8 of the index register high

Bits 6 to 4 of the memory pointer

Memory pointer enable flag

Bits 7 to 4 of the index register

Bits 3 to 0 of the memory pointer

Bits 3 to 0 of the index register

Bits 6 to 3 of the register pointer

Bits 2 to 0 of the register pointer

Program status word

BCD operation flag

Compare flag

Carry flag

Zero flag

Index enable flag

Read/

write

Description

Value

AR3

AR2

AR1

AR0

WR

BANK

IXH

MPH

MPE

IXM

MPL

IXL

RPH

RPL

PSW

BCD

CMP

CY

Z

IXE

Attribute

Symbol

DBF3

DBF2

DBF1

DBF0

MEM

MEM

MEM

MEM

0.0CH

0.0DH

0.0EH

0.0FH

R/W

R/W

R/W

R/W

Bits 15 to 12 of the data buffer

Bits 11 to 8 of the data buffer

Bits 7 to 4 of the data buffer

Bits 3 to 0 of the data buffer

Read/

write

Description

Symbol

Attribute

Value

23.2 DATA BUFFER